package com.itheima.reggie.config;

import com.itheima.reggie.common.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

/**
 * @author xindezhentu
 * @create 2023-03-29 19:06
 */
@Configuration
@Slf4j
public class WebMvcConfig extends WebMvcConfigurationSupport {
//   静态资源映射
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("开始进行静态资源映射...");
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
    }

//  扩展MVC框架的转换器
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
//        创建消息转换器
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
//        设置对象转换器
        messageConverter.setObjectMapper(new JacksonObjectMapper());
//        追加转换器
        converters.add(0,messageConverter);


    }
}
